420664049 Camshaft Position Sensor for Sea-Doo RXT P X 300 1630 2018

Camshaft Position Sensor for Sea-Doo

This camshaft position sensor for Sea-Doo, OEM reference 420664049, monitors camshaft rotation and relays that data to the engine control unit to keep ignition and fuel timing in sync.

Overview

This camshaft position sensor for Sea-Doo is a replacement part for the factory sensor on 1630 ACE powerplants. It delivers the camshaft signal the ECU needs for correct spark and injection timing. A practical choice for owners and techs servicing Sea-Doo RXT, RXP, and X 300 models.

Built For Performance

• OEM cross-reference 420664049 for precise identification
• Weather-sealed body guards against moisture and spray
• Hall-effect design produces a stable, repeatable signal
• Factory-style connector for straightforward installation
• Rated for sustained high-RPM marine use
• Low-profile housing fits the stock mounting point

Fits These Machines

• for Sea-Doo RXT 300
• for Sea-Doo RXT P 300
• for Sea-Doo RXT X 300
• for Sea-Doo RXT XRS 300
• for Sea-Doo RXP 300
• for Sea-Doo RXP X 300

On-The-Job Use

• Camshaft signal repair during 1630 ACE engine service
• Fixing rough running or starting issues tied to a bad sensor
• Diagnostic troubleshooting in the engine compartment
• Pre-season maintenance on personal watercraft

Specs At A Glance

Good To Know

Q: Is this the right sensor for a 2018 Sea-Doo 300? A: It is made for 1630 ACE models including the RXT, RXP, and X 300 from that year. Verify part number 420664049 matches yours before purchase.

Q: Will I need to reprogram anything after fitting it? A: No programming is needed for a camshaft position sensor of this type. It installs in place of the original and reads the camshaft directly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.